The sync will fail if it can't find any users that comply with your filtering preferences or the system's requirements for user records. The system requires that users have a first name, last name and a valid email address that conforms with your domain lock if enabled. The sync does not delete users but rather sets them to inactive. The idea is to provide a recycle bin of users who you can delete when you no longer need them.

TrustedTech

We tell users to sign out completely and remove stored credentials from Windows Credential Manager or their device’s keychain. Sometimes, rejoining the device to Azure AD or just reauthenticating in Office apps does the trick. This pops up a lot after admins reset a password in the Microsoft 365 admin center. That changes the password in Microsoft Entra ID, but not right away in your local Active Directory. You end up with mismatched passwords between the cloud and your local network. The Users Loaded count will be 0 if all users fail to meet the system's requirements for user records.

What to do when Office 365 password reset doesn’t sync across devices

To resolve these issues you should run the steps in this article and check whether the groups in your sync's filtering preference contain users in Azure AD. The simplest way to resolve authentication issues is to rerun the authentication process by clicking the Sign in with Microsoft on the Microsoft 365 settings page. You run the Microsoft consent process using an eligible M365 account after which you will be taken Outlook OST vs PST repair to the sync's setup wizard. You can close the wizard at this point as you do not need to complete it for re-authentication to take effect.

Login Sync Errors: Personal Business Microsoft 365 Accounts on Same Device

Azure AD Connect handles password sync, but it runs on a schedule—usually every 30 minutes. So, if you just changed your password, there might be a short window where your old password still works and the new one hasn’t reached every system. At NetTech Consultants, we help organizations keep Microsoft 365 running smoothly and securely. We go above and beyond the average software reseller because we built our business on trust. As active members in the IT community, we work to support our clients’ businesses and provide them with peace of mind.

Reviewing Device Sign-In Settings

You can view your Outlook OST vs PST repair inactive users on the Users page and delete them as you see fit. Similarly you should review the Users Deactivated sheet on the sync summary spreadsheet attachment as you can also delete these users to bring your total down. If sync keeps failing, we make sure the Microsoft Entra Connect service account has the right permissions and the server connects to the domain controller. Updating Azure AD Connect to the latest build often fixes known sync issues.



We start by checking that Azure AD Connect is running and password sync is enabled. resolve Outlook not sending emails fast If it’s in Staging Mode or a recent change didn’t trigger a full sync, passwords won’t update in Microsoft 365. If a password reset in Office 365 doesn’t sync across devices, it’s usually because of incomplete synchronization, old credentials, or device caching.

Common Causes of Office 365 Password Reset Sync Issues

• If problems stick around, we rejoin the devices to Microsoft 365 services.
• We also scan Event Viewer logs under Applications and Services Logs → Directory Synchronization for Event IDs like 650–657 (for sync activity).
• We also check the synchronization scheduler to confirm delta and full sync cycles finish successfully.
• Sync failure alerts do not always include a full summary or attachment, you can run a test sync to obtain this data.
• You can stop any accounts from being brought over by adding them to the sync deny list.
• Users I create within the Office 365 portal are fine, so I assume it is something to do with Azure AD Connect.

First, we check that the password reset finished in Microsoft 365 or Microsoft Entra ID. The user should log in to the Office 365 web portal with the new password. If the old password still works, the reset probably hasn’t synced. To avoid this, double-check that password writeback is turned on and working. You can run a sync manually with PowerShell or the Azure AD Connect tool to make sure updates go through. Checking the sync logs helps confirm password changes are making it everywhere they should.